Figure 45-2 -In the Action Potential Diagram in Figure 45-2, at What

question 250

Multiple Choice

Figure 45-2
-In the action potential diagram in Figure 45-2, at what point are many Na⁺ activation gates open and K⁺ activation gates closed?

• A) point A
• B) point B
• C) point C
• D) point E

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Definitions:

Hypothalamus

A small forebrain structure, located just below the thalamus, that monitors three pleasurable activities—eating, drinking, and sexual behavior—as well as emotion, stress, and reward.

Parietal Lobes

Structures at the top and toward the rear of the head that are involved in registering spatial location, attention, and motor control.

Frustration-Aggression Hypothesis

A psychological theory suggesting that frustration often leads to aggressive behavior.

Aggression

Social behavior whose objective is to harm someone, either physically or verbally.